# Civil Engineering - Soil Mechanics and Foundation Engineering - Discussion

### Discussion :: Soil Mechanics and Foundation Engineering - Section 3 (Q.No.26)

26.

Pick up the correct statement from the following:

 [A]. O.M.C. refers to the moisture corresponding to the maximum point on the moisture content dry density curve [B]. The line which shows moisture content dry density relation for soil containing a constant percentage of air voids, is known as air void line [C]. The weight of hammer used for compaction test is 25 kg [D]. The free fall of hammer for compaction is 30.5 cm [E]. All the above.

Explanation:

No answer description available for this question.

 Vivek said: (Aug 29, 2015) Weight of the hammer is 2.5 kg!

 Bhaskar said: (Mar 29, 2017) Yes, 2.5 kg.

 Sonu Kumar said: (Jun 19, 2017) Yes, the weight of hammer 2.5 kg.

 Sunil said: (Sep 17, 2017) Weight of hammer is 2.5 kg.

 Sai said: (Jul 26, 2018) For SPT-wt 2.6kg, the height of fall-310mm. For MPT-wt4.89kg, the height of fall-450mm.

 Yaminitandan said: (Feb 1, 2019) Wt 2.6 kg. The height of fall 31cm. No of layer 3. No of blow each layer 25.

 Vimo said: (Apr 26, 2020) Option c is not 25 kg it is 2.5 kg.

 Manish Sharma said: (May 2, 2020) Sure, 2.5 kg is right.

 Eniga said: (Sep 14, 2020) The weight of the rod of compaction is 2.5 Kg.